From: "Arend van Spriel" <arend-dY08KVG/lbpWk0Htik3J/w@public•gmane.org>
To: "John W. Linville" <linville-2XuSBdqkA4R54TAoqtyWWQ@public•gmane.org>
Cc: "Josh Boyer" <jwboyer-H+wXaHxf7aLQT0dZR+AlfA@public•gmane.org>,
"Johannes Berg"
<johannes-cdvu00un1VgdHxzADdlk8Q@public•gmane.org>,
"Brett Rudley" <brudley-dY08KVG/lbpWk0Htik3J/w@public•gmane.org>,
"Roland Vossen" <rvossen-dY08KVG/lbpWk0Htik3J/w@public•gmane.org>,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public•gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public•gmane.org,
"Seth Forshee"
<seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public•gmane.org>
Subject: Re: assert_cfg80211_lock warning with Linux v3.5-8833-g2d53492
Date: Wed, 1 Aug 2012 17:38:34 +0200 [thread overview]
Message-ID: <50194D7A.6060400@broadcom.com> (raw)
In-Reply-To: <20120801141810.GB27433-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
On 08/01/2012 04:18 PM, John W. Linville wrote:
> On Wed, Aug 01, 2012 at 09:12:33AM -0400, Josh Boyer wrote:
>
>> > [ 26.573028] ------------[ cut here ]------------
>> > [ 26.573042] WARNING: at net/wireless/core.h:125 assert_cfg80211_lock.part.8+0x15/0x17 [cfg80211]()
>> > [ 26.573045] Hardware name: XPS 8300
>> > [ 26.573046] Modules linked in: xt_CHECKSUM iptable_mangle bridge stp llc ip6t_REJECT nf_conntrack_ipv4 nf_conntrack_ipv6 nf_defrag_ipv6 nf_defrag_ipv4 xt_state nf_conntrack ib_iser rdma_cm ib_addr ip6table_filter tpm_bios ip6_tables iw_cm ib_cm ib_sa ib_mad ib_core iscsi_tcp snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel arc4 brcmsmac snd_hda_codec cordic brcmutil snd_hwdep mac80211 snd_pcm snd_page_alloc snd_timer cfg80211 snd coretemp rfkill serio_raw i2c_i801 soundcore lpc_ich bcma dcdbas microcode mfd_core mei vhost_net tun macvtap macvlan kvm_intel nfsd kvm auth_rpcgss nfs_acl lockd uinput crc32c_intel ghash_clmulni_intel broadcom tg3 usb_storage uas radeon i2c_algo_bit drm_kms_helper ttm drm i2c_core sunrpc be2iscsi bnx2i cnic uio cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxg
bi libiscsi_tcp qla4xxx iscsi_boot_sysfs libiscsi scsi_transport_iscsi
>> > [ 26.573143] Pid: 757, comm: NetworkManager Not tainted 3.6.0-0.rc0.git8.1.fc18.x86_64 #1
>> > [ 26.573145] Call Trace:
>> > [ 26.573153] [<ffffffff8106782f>] warn_slowpath_common+0x7f/0xc0
>> > [ 26.573159] [<ffffffff8106788a>] warn_slowpath_null+0x1a/0x20
>> > [ 26.573170] [<ffffffffa04c730d>] assert_cfg80211_lock.part.8+0x15/0x17 [cfg80211]
>> > [ 26.573181] [<ffffffffa04a8dcb>] freq_reg_info+0x6b/0x80 [cfg80211]
> brcmsmac needs to hold cfg80211_mutex before calling freq_reg_info...
>
> It looks like those calls were added in mid-June.
>
I think mid-june sounds about right. We never observed the warning when
changes to use regulatory infrastructure were tested/reviewed. Should
this precondition be mentioned in cfg80211.h?
Gr. AvS
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next prev parent reply other threads:[~2012-08-01 15:38 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-01 13:12 assert_cfg80211_lock warning with Linux v3.5-8833-g2d53492 Josh Boyer
[not found] ` <20120801131232.GA1785-8k7Gwy46GHkf7BdofF/totBPR1lH4CV8@public.gmane.org>
2012-08-01 14:18 ` John W. Linville
[not found] ` <20120801141810.GB27433-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
2012-08-01 15:38 ` Arend van Spriel [this message]
2012-08-01 15:51 ` Arend van Spriel
2012-08-01 15:52 ` John W. Linville
[not found] ` <20120801155252.GE27433-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
2012-08-01 16:40 ` Arend van Spriel
[not found] ` <5019506C.6020707-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2012-08-01 15:53 ` Johannes Berg
2012-08-01 16:19 ` Seth Forshee
2012-08-01 17:14 ` Johannes Berg
2012-08-01 17:56 ` Seth Forshee
[not found] ` <1343836438.4638.5.camel-8upI4CBIZJIJvtFkdXX2HixXY32XiHfO@public.gmane.org>
2012-08-01 17:24 ` Arend van Spriel
[not found] ` <50196660.8090001-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2012-08-01 19:28 ` Arend van Spriel
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